6848 Magnolia Ave #100, Riverside, CA 92506

Michael S. Selyem


844-424-1199 phone

909-467-5610 fax

Email Michael S. Selyem ›


Administrative Discipline / Criminal Defense / CCW Denial Appeals / Restraining Order Hearings / Unemployment (EDD) Hearings / DUI & DMV Suspension Hearings / Family Law / Civil & Criminal Grand Jury Hearings / General Counsel


Cal State University Fullerton
UCLA School of Law

Michael S. Selyem is an associate attorney at CASTILLO HARPER, APC. His tenacity and advocacy make him a go-to attorney for clients seeking strong representation. Mike is a PORAC Legal Defense Fund (LDF) panel attorney and a California Correctional Supervisors’ Organization (CCSO) panel attorney. As such, he handles all manners of administrative disciplinary cases, from interrogation through appeal, and CCW denial appeals. Mike is part of the Administrative Defense and Criminal Defense Divisions of the firm. He is also part of the firm’s Critical Incident Response Team.

In addition to his employment defense practice, Mike handles select criminal defense cases, restraining order hearings, family law matters, unemployment (EDD) hearings, and DMV suspension hearings. He handles the criminal defense of peace officers, including those facing state and federal prosecution and criminal and civil grand juries.

Prior to attending UCLA School of Law, Mike was employed as a Peace Officer with the Orange County Sheriff’s Department for eight years and has been a member of the Association of Orange County Deputy Sheriff’s for 25 years. During his time with the Sheriff’s Department, he worked corrections, patrol and also served as an FTO for the correctional division.

Mike received a Bachelor of Arts in Political Science from California State University Fullerton, graduating Magna Cum Laude and finishing #1 overall in the University’s Political Science and Criminal Justice Division. While in his first year of law school, he received the top honor in Legal Research and Writing and was named as a second year teaching fellow for Legal Research and Writing course requirement for the first year law students After his first year of law school, he completed a summer externship for Gary L. Taylor, United States District Court Judge for the Central District of CA in Santa Ana.

After graduating from law school, Mike completed a post graduate clerkship with the Los Angeles District Attorney’s Office. He then was hired by the San Bernardino District Attorney’s Office, where he spent 13 years. While at SBDA, Mike was a Deputy District Attorney V with multiple assignments including the hard-core gang and career criminal unit, the cold case homicide unit, the juvenile division and issuing. His last assignment there was as the lead attorney of the hard-core gang and career criminal unit where he directed one of the nation’s busiest gang units. During his time with the SBDA’s office, Mikecompleted 77 jury trials including 15 homicides, a dozen attempted murders and countless other life exposurecases. He also conducted multiple training presentations for the San Bernardino Sheriff’s Department Homicide Investigators Unit, including trial survival skills and testifying in homicide cases.

Mike is admitted to practice in the State Courts in CA and NY, and also admitted to practice in the United States District Court for the Central and Southern Districts of CA. You can reach him directly at [email protected].


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